Vitamin K may improve arteries in type 2 diabetes
The body contains a specific protein—Matrix Gla Protein, or MGP—that keeps calcium from building up in and stiffening arteries. But MGP requires vitamin K to become active in the body. Those with type 2 diabetes have arterial stiffness, and doctors thought they might find higher levels of inactive MGP in diabetics, suggesting a deficiency in vitamin K in type 2 diabetes.

In the study, blood flow from the large artery in the neck to the large artery in the thigh had a direct link to MGP: as levels of inactive MGP increased, arterial stiffness—measured as faster blood flow velocity—also increased. Doctors said activating MGP with vitamin K supplements could reduce arterial stiffening in type 2 diabetes.

Reference: American Journal of Hypertension; 2017, Vol. 30, No. 2, 196-201.
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